66704440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 109551560

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 79, 88, 95, 101, 110, 152, 158, 190, 202, 209, 220, 316, 380, 395, 404, 418, 440, 505, 632, 760, 790, 808, 836, 869, 1010, 1045, 1111, 1501, 1580, 1672, 1738, 1919, 2020, 2090, 2222, 3002, 3160, 3476, 3838, 4040, 4180, 4345, 4444, 5555, 6004, 6952, 7505, 7676, 7979, 8360, 8690, 8888, 9595, 11110, 12008, 15010, 15352, 15958, 16511, 17380, 19190, 21109, 22220, 30020, 31916, 33022, 34760, 38380, 39895, 42218, 44440, 60040, 63832, 66044, 76760, 79790, 82555, 84436, 87769, 105545, 132088, 151601, 159580, 165110, 168872, 175538, 211090, 303202, 319160, 330220, 351076, 422180, 438845, 606404, 660440, 702152, 758005, 844360, 877690, 1212808, 1516010, 1667611, 1755380, 3032020, 3335222, 3510760, 6064040, 6670444, 8338055, 13340888, 16676110, 33352220, 66704440]

約数ペア:

[(1, 66704440), (2, 33352220), (4, 16676110), (5, 13340888), (8, 8338055), (10, 6670444), (11, 6064040), (19, 3510760), (20, 3335222), (22, 3032020), (38, 1755380), (40, 1667611), (44, 1516010), (55, 1212808), (76, 877690), (79, 844360), (88, 758005), (95, 702152), (101, 660440), (110, 606404), (152, 438845), (158, 422180), (190, 351076), (202, 330220), (209, 319160), (220, 303202), (316, 211090), (380, 175538), (395, 168872), (404, 165110), (418, 159580), (440, 151601), (505, 132088), (632, 105545), (760, 87769), (790, 84436), (808, 82555), (836, 79790), (869, 76760), (1010, 66044), (1045, 63832), (1111, 60040), (1501, 44440), (1580, 42218), (1672, 39895), (1738, 38380), (1919, 34760), (2020, 33022), (2090, 31916), (2222, 30020), (3002, 22220), (3160, 21109), (3476, 19190), (3838, 17380), (4040, 16511), (4180, 15958), (4345, 15352), (4444, 15010), (5555, 12008), (6004, 11110), (6952, 9595), (7505, 8888), (7676, 8690), (7979, 8360)]